85839 (1998 YO4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2481006912 ± 1.24e-08
Semi-major axis (a)1.6534926704 AU ± 9.96e-10
Inclination (i)9.31939239° ± 8.81e-07
Long. of Asc. Node (Ω)28.50072273° ± 2.80e-06
Arg. of Perihelion (ω)199.69071851° ± 2.99e-06
Mean Anomaly (M)97.04138343° ± 2.26e-06
Mean Motion (n)0.4635631070°/day ± 4.19e-10
Perihelion dist (q)1.24326000 AU ± 2.05e-08
Aphelion dist (Q)2.06372534 AU ± 2.05e-08
Orbital Period2.12619656 yr ± 1.92e-09
Physical Parameters
H (abs. magnitude)16.58
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.072″
Uncertainty0
Orbit TypeAmor
MOID0.239954 AU
Observations Used2510
Gaia Obs Used50
Oppositions12
Arc Total1993-2025
First Observation Used1993-04-25
Last Observation Used2025-11-08
Observations (3041)
Date Type RA Dec Mag Band Observatory
2023-07-22 14:07:52 C 23 51 47.616 -22 13 10.10 X F51
2023-07-25 01:31:23 C 23 51 11.287 -22 26 02.04 V M22
2023-07-25 01:33:59 C 23 51 11.239 -22 26 02.83 V M22
2023-07-25 01:38:10 C 23 51 11.170 -22 26 03.84 V M22
2023-07-25 02:17:04 C 23 51 10.526 -22 26 12.98 V M22
2023-07-26 07:01:50 C 23 50 45.319 -22 32 50.78 V W68
2023-07-26 07:28:03 C 23 50 44.791 -22 32 57.16 V W68
2023-07-26 07:30:00 C 23 50 44.767 -22 32 57.66 V W68
2023-07-26 07:36:04 C 23 50 44.645 -22 32 59.42 V W68
2023-07-29 06:06:20 C 23 49 20.851 -22 49 58.37 V W68
2023-07-29 06:10:14 C 23 49 20.784 -22 49 59.20 V W68
2023-07-29 06:14:15 C 23 49 20.686 -22 50 00.64 V W68
2023-07-29 06:30:05 C 23 49 20.278 -22 50 04.88 V W68
2023-08-01 04:55:16 C 23 47 26.434 -23 07 47.42 V W68
2023-08-01 04:57:54 C 23 47 26.357 -23 07 47.93 V W68
2023-08-01 05:33:04 C 23 47 25.164 -23 07 57.72 V W68
2023-08-01 05:42:11 C 23 47 24.905 -23 08 00.49 V W68
2023-08-07 06:16:09 C 23 41 57.850 -23 45 19.26 V W68
2023-08-07 06:24:45 C 23 41 57.432 -23 45 21.78 V W68
2023-08-07 06:36:16 C 23 41 56.875 -23 45 25.13 V W68
2023-08-10 08:38:06 C 23 38 23.162 -24 04 06.02 V W68
2023-08-10 08:42:35 C 23 38 22.910 -24 04 07.10 V W68
2023-08-10 08:53:22 C 23 38 22.322 -24 04 09.91 V W68
2023-08-11 07:23:54 C 23 37 11.76 -24 09 42.7 q X74
2023-08-11 07:28:35 C 23 37 11.43 -24 09 44.0 q X74
2023-08-11 07:33:08 C 23 37 11.18 -24 09 45.1 q X74
2023-08-12 00:04:08 C 23 36 18.331 -24 13 41.56 V M22
2023-08-12 00:06:48 C 23 36 18.180 -24 13 42.28 V M22
2023-08-12 00:11:26 C 23 36 17.914 -24 13 43.46 V M22
2023-08-12 00:47:36 C 23 36 15.797 -24 13 52.10 V M22
2023-08-13 04:02:33 C 23 34 45.204 -24 20 16.40 V W68
2023-08-13 04:37:09 C 23 34 43.145 -24 20 24.90 V W68
2023-08-13 04:44:18 C 23 34 42.708 -24 20 26.77 V W68
2023-08-14 05:20:23 C 23 33 17.227 -24 26 03.91 V W68
2023-08-14 05:23:01 C 23 33 17.062 -24 26 04.52 V W68
2023-08-14 05:28:24 C 23 33 16.735 -24 26 05.53 V W68
2023-08-14 05:36:16 C 23 33 16.222 -24 26 07.19 V W68
2023-08-19 10:50:00 C 23 25 23.160 -24 51 31.73 X F52
2023-08-19 11:04:36 C 23 25 22.134 -24 51 34.40 X F52
2023-08-19 11:19:13 C 23 25 21.103 -24 51 37.00 X F52
2023-08-20 01:41:57 C 23 24 22.747 -24 53 53.38 V M22
2023-08-20 01:46:32 C 23 24 22.430 -24 53 54.28 V M22
2023-08-20 02:15:05 C 23 24 20.402 -24 53 58.78 V M22
2023-08-22 05:00:50 C 23 20 52.078 -25 01 50.30 V W68
2023-08-22 05:05:37 C 23 20 51.727 -25 01 50.84 V W68
2023-08-22 05:10:16 C 23 20 51.398 -25 01 51.67 V W68
2023-08-22 06:00:48 C 23 20 47.700 -25 01 58.98 V W68
2023-08-24 00:03:22 C 23 17 49.982 -25 07 22.55 V M22
2023-08-24 00:31:01 C 23 17 47.921 -25 07 25.79 V M22
2023-08-24 01:12:45 C 23 17 44.818 -25 07 30.29 V M22